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Sierra Complete Gearcase For Mercury Marine Engine, Sierra Part #18-4851

Item # 749637
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Ships within 5 - 6 business days

Additional Information:
  • Additional discounts do not apply.


  • Sierra Part #18-4851

  • Complete gearcase

  • For Mercury Marine engine

Product Summary 

Sierra complete gearcase for Mercury Marine engine. Fits 135/150/200/225 V6 applications (1.87:1 ratio). Sierra Part #18-4851.

OEM Part Number: